Upgrade or Install Samsung Galaxy J3 SM-J320F to Android Lollipop 5.1.1. The firmware available for downloading http://www.sammobile.com/firmwares/database/SM-J320F. You can download your Samsung Galaxy J3 SM-J320F firmware at the page, available for some countries. How to Root for Samsung Galaxy J3 SM-J320F is the separated post, this post only for upgrading to Android Lollipop.